/usr/include/CGAL/Qt/CircularArcGraphicsItem.h is in libcgal-qt5-dev 4.7-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 | // Copyright (c) 2008 GeometryFactory Sarl (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
// You can redistribute it and/or modify it under the terms of the GNU
// General Public License as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
//
//
// Author(s) : Andreas Fabri <Andreas.Fabri@geometryfactory.com>
// Laurent Rineau <Laurent.Rineau@geometryfactory.com>
#ifndef CGAL_QT_CIRCULAR_ARC_GRAPHICS_ITEM_H
#define CGAL_QT_CIRCULAR_ARC_GRAPHICS_ITEM_H
#include <CGAL/Bbox_2.h>
#include <CGAL/Qt/PainterOstream.h>
#include <CGAL/Qt/GraphicsItem.h>
#include <CGAL/Qt/Converter.h>
#include <QGraphicsScene>
#include <QPainter>
#include <QStyleOption>
namespace CGAL {
namespace Qt {
template <typename CK>
class CircularArcGraphicsItem : public GraphicsItem
{
typedef typename CK::Point_2 Point_2;
typedef typename CK::Circle_2 Circle_2;
typedef typename CK::Circular_arc_2 Circular_arc_2;
public:
CircularArcGraphicsItem();
void modelChanged();
public:
QRectF boundingRect() const;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
const QPen& verticesPen() const
{
return this->vertices_pen;
}
const QPen& edgesPen() const
{
return edges_pen;
}
void setVerticesPen(const QPen& pen)
{
this->vertices_pen = pen;
}
void setEdgesPen(const QPen& pen)
{
edges_pen = pen;
}
void setArc(const Circular_arc_2& a);
Circular_arc_2 arc() const
{
return arc_;
}
protected:
void updateBoundingBox();
QPainter* m_painter;
PainterOstream<CK> painterostream;
QRectF bounding_rect;
QPen edges_pen;
QPen vertices_pen;
Circular_arc_2 arc_;
};
template <typename CK>
void
CircularArcGraphicsItem<CK>::setArc(const Circular_arc_2& a)
{
arc_ = a;
updateBoundingBox();
update();
}
template <typename CK>
CircularArcGraphicsItem<CK>::CircularArcGraphicsItem()
: painterostream(0)
{
this->hide();
setZValue(3);
}
template <typename CK>
QRectF
CircularArcGraphicsItem<CK>::boundingRect() const
{
return bounding_rect;
}
template <typename CK>
void
CircularArcGraphicsItem<CK>::paint(QPainter *painter,
const QStyleOptionGraphicsItem * /*option*/,
QWidget * /*widget*/)
{
painter->setPen(this->edgesPen());
painterostream = PainterOstream<CK>(painter);
painterostream << arc_;
}
template <typename CK>
void
CircularArcGraphicsItem<CK>::updateBoundingBox()
{
Converter<CK> convert;
prepareGeometryChange();
//bounding_rect = convert(arc_.supporting_circle().bbox());
bounding_rect = convert(arc_.bbox());
}
template <typename CK>
void
CircularArcGraphicsItem<CK>::modelChanged()
{
updateBoundingBox();
update();
}
} // namespace Qt
} // namespace CGAL
#endif // CGAL_QT_CIRCULAR_ARC_GRAPHICS_ITEM_H
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